function strEnum<T extends string>(o: Array<T>): { [K in T]: K } {
  return o.reduce((res, key) => {
    res[key] = key;
    return res;
  }, Object.create(null));
}

export const HamburgerTypes = strEnum([
  '3dx',
  '3dx-r',
  '3dy',
  '3dy-r',
  '3dxy',
  '3dxy-r',
  'arrow',
  'arrow-r',
  'arrowalt',
  'arrowalt-r',
  'arrowturn',
  'arrowturn-r',
  'boring',
  'collapse',
  'collapse-r',
  'elastic',
  'elastic-r',
  'emphatic',
  'emphatic-r',
  'minus',
  'slider',
  'slider-r',
  'spin',
  'spin-r',
  'spring',
  'spring-r',
  'stand',
  'stand-r',
  'squeeze',
  'vortex',
  'vortex-r'
]);
export type HamburgerTypes = keyof typeof HamburgerTypes;